EASY
12th ICSE
IMPORTANT
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What is meant by 'threshold frequency' in photoelectric effect? Does it depend upon the intensity of incident light?

Important Questions on Photoelectric Effect

EASY
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 10 - Photoelectric Effect>QUESTIONS>Q 11
What is the relation between the work function and the threshold frequency v0 of a metal?
EASY
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 10 - Photoelectric Effect>QUESTIONS>Q 12
What is cut-off (or stopping) potential?
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 10 - Photoelectric Effect>QUESTIONS>Q 13
Define stopping potential. How is it related to the kinetic energy of photoelectrons?
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 10 - Photoelectric Effect>QUESTIONS>Q 14
Explain, what is meant by kinetic mass of a photon?
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 10 - Photoelectric Effect>QUESTIONS>Q 15
What is meant by the momentum of a photon?
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 10 - Photoelectric Effect>QUESTIONS>Q 16
Write down the relation between the wavelength and momentum of a photon.
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 10 - Photoelectric Effect>QUESTIONS>Q 17
Write the formulae for the energy, momentum and kinetic mass of a photon.
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 10 - Photoelectric Effect>QUESTIONS>Q 18
Write the relation between energy and momentum of a photon.